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SoNormalElement.h
00001 #ifndef COIN_SONORMALELEMENT_H
00002 #define COIN_SONORMALELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoReplacedElement.h>
00028 #include <Inventor/SbVec3f.h>
00029 #include <assert.h>
00030 
00031 class COIN_DLL_API SoNormalElement : public SoReplacedElement {
00032   typedef SoReplacedElement inherited;
00033 
00034   SO_ELEMENT_HEADER(SoNormalElement);
00035 public:
00036   static void initClass(void);
00037 protected:
00038   virtual ~SoNormalElement();
00039 
00040 public:
00041   virtual void init(SoState * state);
00042 
00043   static void set(SoState * const state, SoNode * const node,
00044                   const int32_t numNormals, const SbVec3f * const normals,
00045                   const SbBool normalsAreUnitLength = FALSE);
00046 
00047   static const SoNormalElement * getInstance(SoState * const state);
00048   int32_t getNum(void) const;
00049   const SbVec3f & get(const int index) const;
00050   const SbVec3f *getArrayPtr(void) const;
00051 
00052   SbBool areNormalsUnitLength(void) const;
00053 
00054 protected:
00055   int32_t numNormals;
00056   const SbVec3f * normals;
00057   SbBool unitLength;
00058 };
00059 
00060 #endif // !COIN_SONORMALELEMENT_H

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